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发表于 2008-11-22 16:40:25
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5.0 Comparison of the physical features of carbon black. 5.1 JD200 is very close to the imported carbon black in terms of tinting strength and appearance,but JD200 have a lower DBP absorption,good fludity,easier to disperse,not easy to float and with much less dust in the using.
Test Item Certain type of imported carbon black JD200 Remarks
Tinting Strength (0.1:2 lithopone) photo photo
DBP Absorption (cm3/kg) 140 105
Dispersity 10min 7min Dispersant≤μm
Appearance powder powder
Flotation Easy to float Not easy to float
6.0 The test of the color shade of the black paints. 6.1 Take carbon black No.1 as standard to test carbon black No.2
Sample No.1 25° 45° 75° Comparison Sample No.2 25° 45° 75° Item 25° 45° 75°
L -0.6 -0.31 -0.25 L -0.63 -0.32 -0.32 L -0.03 -0.01 -0.42
a 0.04 -0.01 0.01 a 0.22 -0.03 0.08 a 0.18 0.04 -0.02
b -1.03 -0.63 -0.6 b 0.00 -0.58 -0.55 b 1.03 0.05 0.05
△E 1.19 0.07 0.66 △E -0.67 0.66 0.64 △E 1.05 0.06 0.42
6.2 In the test of 45°black acrylic paint,the color shade of JD200 is similar with the imported carbon black.
HongKongJinderuiGroupCo.Ltd TEL: 86-571-87817849 FAX:86-571-87800409
7.0 Transparency test:put Sample No.1 and Sample No.2 0.1g each into 2.5g 1715 aluminum powder,then make into shade card,the test results are as follow: 8.0 Conclusion to the above tests:JD200 is very similar to the imported carbon black in terms of blackness,color shade,transparency and qulity.But JD200 is better in fludity,and not easy to float,it is more competitive than the imported carbon black.
Sample No.1 25° 45° 75° Comparison Sample No.2 25° 45° 75°
△L 0.80 1.80 1.80 △L 1.21 2.00 2.00
△a 0.10 -0.10 0.05 △a -0.12 -0.10 0.07
△b 0.19 0.28 0.10 △b 0.25 0.34 0.40
7.1 In the transparenty test,JD200 is very close to the imported carbon black.
Remark:It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product. |
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